Add tests

Author: 0xPoe

tests/testsuite/doc.rs

@@ -1361,7 +1361,6 @@ fn doc_workspace_open_first_one_built_for_host() {
         .file("bar/src/lib.rs", "")
         .build();
 
-    // The order in which bar is compiled or documented is not deterministic
     p.cargo("doc --workspace --open")
         .masquerade_as_nightly_cargo(&["per-package-target"])
         .env("BROWSER", tools::echo())
@@ -1413,7 +1412,6 @@ fn doc_workspace_open_first_one_when_no_one_built_for_host() {
         .file("bar/src/lib.rs", "")
         .build();
 
-    // The order in which bar is compiled or documented is not deterministic
     p.cargo("doc --workspace --open")
         .masquerade_as_nightly_cargo(&["per-package-target"])
         .env("BROWSER", tools::echo())
@@ -1426,6 +1424,106 @@ fn doc_workspace_open_first_one_when_no_one_built_for_host() {
         .run();
 }
 
+#[cargo_test(nightly, reason = "-Zper-package-target is unstable")]
+fn doc_workspace_open_first_one_built_for_target() {
+    const TARGET: &str = "i686-unknown-linux-gnu";
+
+    let p = project()
+        .file(
+            "Cargo.toml",
+            r#"
+                [workspace]
+                members = ["foo", "bar"]
+            "#,
+        )
+        .file("foo/Cargo.toml", &basic_manifest("foo", "0.1.0"))
+        .file("foo/src/lib.rs", "")
+        .file(
+            "bar/Cargo.toml",
+            &format!(
+                r#"
+                cargo-features = ["per-package-target"]
+                [package]
+                name = "bar"
+                version = "0.1.0"
+                forced-target = "{}"
+            "#,
+                TARGET
+            ),
+        )
+        .file("bar/src/lib.rs", "")
+        .build();
+
+    p.cargo("doc --workspace --open --target")
+        .arg(TARGET)
+        .masquerade_as_nightly_cargo(&["per-package-target"])
+        .env("BROWSER", tools::echo())
+        .with_stderr_contains("[..] Documenting bar v0.1.0 ([..])")
+        .with_stderr_contains("[..] Documenting foo v0.1.0 ([..])")
+        .with_stderr_contains(&format!(
+            "[..] Opening [..]/target/{}/doc/bar/index.html",
+            TARGET
+        ))
+        .run();
+}
+
+#[cargo_test(nightly, reason = "-Zper-package-target is unstable")]
+fn doc_workspace_open_first_one_when_no_one_built_for_target() {
+    const TARGET: &str = "i686-unknown-linux-gnu";
+
+    let p = project()
+        .file(
+            "Cargo.toml",
+            r#"
+                [workspace]
+                members = ["foo", "bar"]
+            "#,
+        )
+        .file(
+            "foo/Cargo.toml",
+            &format!(
+                r#"
+                cargo-features = ["per-package-target"]
+                [package]
+                name = "foo"
+                version = "0.1.0"
+                forced-target = "{}"
+            "#,
+                TARGET
+            ),
+        )
+        .file("foo/src/lib.rs", "")
+        .file(
+            "bar/Cargo.toml",
+            &format!(
+                r#"
+                cargo-features = ["per-package-target"]
+                [package]
+                name = "bar"
+                version = "0.1.0"
+                forced-target = "{}"
+            "#,
+                TARGET
+            ),
+        )
+        .file("bar/src/lib.rs", "")
+        .build();
+
+    // We don't build for host, so we should open the first one built for TARGET.
+    let host_target = rustc_host();
+    p.cargo("doc --workspace --open --target")
+        .arg(host_target)
+        .masquerade_as_nightly_cargo(&["per-package-target"])
+        .env("BROWSER", tools::echo())
+        .with_stderr_contains("[..] Documenting bar v0.1.0 ([..])")
+        .with_stderr_contains("[..] Documenting foo v0.1.0 ([..])")
+        .with_stderr_contains(&format!(
+            "[..] Opening [..]/target/{}/doc/bar/index.html",
+            TARGET
+        ))
+        .run();
+}
+
 #[cargo_test(nightly, reason = "-Zextern-html-root-url is unstable")]
 fn doc_extern_map_local() {
     let p = project()